90741560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:385

約数の個数: 128

約数和(自身を含む): 254862720

約数和(自身を除く): 164121160

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 97, 104, 130, 140, 182, 194, 257, 260, 280, 364, 388, 455, 485, 514, 520, 679, 728, 776, 910, 970, 1028, 1261, 1285, 1358, 1799, 1820, 1940, 2056, 2522, 2570, 2716, 3341, 3395, 3598, 3640, 3880, 5044, 5140, 5432, 6305, 6682, 6790, 7196, 8827, 8995, 10088, 10280, 12610, 13364, 13580, 14392, 16705, 17654, 17990, 23387, 24929, 25220, 26728, 27160, 33410, 35308, 35980, 44135, 46774, 49858, 50440, 66820, 70616, 71960, 88270, 93548, 99716, 116935, 124645, 133640, 174503, 176540, 187096, 199432, 233870, 249290, 324077, 349006, 353080, 467740, 498580, 648154, 698012, 872515, 935480, 997160, 1296308, 1396024, 1620385, 1745030, 2268539, 2592616, 3240770, 3490060, 4537078, 6481540, 6980120, 9074156, 11342695, 12963080, 18148312, 22685390, 45370780, 90741560]

約数ペア:

[(1, 90741560), (2, 45370780), (4, 22685390), (5, 18148312), (7, 12963080), (8, 11342695), (10, 9074156), (13, 6980120), (14, 6481540), (20, 4537078), (26, 3490060), (28, 3240770), (35, 2592616), (40, 2268539), (52, 1745030), (56, 1620385), (65, 1396024), (70, 1296308), (91, 997160), (97, 935480), (104, 872515), (130, 698012), (140, 648154), (182, 498580), (194, 467740), (257, 353080), (260, 349006), (280, 324077), (364, 249290), (388, 233870), (455, 199432), (485, 187096), (514, 176540), (520, 174503), (679, 133640), (728, 124645), (776, 116935), (910, 99716), (970, 93548), (1028, 88270), (1261, 71960), (1285, 70616), (1358, 66820), (1799, 50440), (1820, 49858), (1940, 46774), (2056, 44135), (2522, 35980), (2570, 35308), (2716, 33410), (3341, 27160), (3395, 26728), (3598, 25220), (3640, 24929), (3880, 23387), (5044, 17990), (5140, 17654), (5432, 16705), (6305, 14392), (6682, 13580), (6790, 13364), (7196, 12610), (8827, 10280), (8995, 10088)]